Finding the Fourth Proportional to 2,123.52, 3,185.98 and 1,028.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.52 : 3,185.98 = 1,028.02 : x
2. Step 2: Convert to fraction form
   2,123.52/3,185.98 = 1,028.02/x
3. Step 3: Cross multiply
   2,123.52x = 3,185.98 × 1,028.02
4. Step 4: Simplify right side
   2,123.52x = 3,275,251.16
5. Step 5: Solve for x
   x = 3,275,251.16/2,123.52
6. Step 6: Final answer
   x = 1,542.37